/* Meta 标签生成工具样式 */

:root {
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-light: rgba(59, 130, 246, 0.08);
    --primary-light-hover: rgba(59, 130, 246, 0.12);
    --border-color-hover: rgba(59, 130, 246, 0.2);
    --shadow-primary: 0 0 16px rgba(59, 130, 246, 0.15);
}

html, body {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0;
}

body {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 70px;
    padding-bottom: 70px;
    min-height: 100vh;
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a8a 100%);
}

.main-content {
    width: 100%;
    max-width: 800px;
    padding: 20px;
    z-index: 10;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background: rgba(0,0,0,0.15);
}

.tab-btn {
    flex: 1;
    padding: 14px 10px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-bottom: 2px solid transparent;
}
.tab-btn:hover { color: var(--text-secondary); }
.tab-btn.active { color: var(--primary-color); border-bottom-color: var(--primary-color); background: rgba(255,255,255,0.03); }

.tab-content { padding: 16px; display: none; border-bottom: 1px solid var(--border-color); }
.tab-content.active { display: block; }

.form-group { margin-bottom: 14px; }

.field-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.input-field {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.input-field:focus { border-color: var(--primary-color); }

.input-textarea {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-sans);
    line-height: 1.5;
    outline: none;
    resize: vertical;
    transition: border-color 0.2s;
}
.input-textarea:focus { border-color: var(--primary-color); }

.field-count {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    text-align: right;
    margin-top: 4px;
}

.select-wide {
    width: 100%;
    padding: 10px 14px;
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    cursor: pointer;
}
.select-wide:focus { border-color: var(--primary-color); }

.setting-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}
.setting-item input { accent-color: var(--primary-color); cursor: pointer; }

.color-input {
    width: 60px;
    height: 38px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: none;
    cursor: pointer;
    padding: 2px;
}

.action-bar {
    display: flex;
    gap: 10px;
    padding: 16px;
    flex-wrap: wrap;
}

.btn-action {
    padding: 10px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: rgba(255,255,255,0.05);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: 0.2s;
}
.btn-action:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.btn-generate { background: rgba(59, 130, 246, 0.2); border-color: rgba(59, 130, 246, 0.3); color: #60a5fa; }
.btn-generate:hover { background: rgba(59, 130, 246, 0.3); }
.btn-copy-action { background: rgba(34, 197, 94, 0.15); border-color: rgba(34, 197, 94, 0.3); color: #4ade80; }
.btn-copy-action:hover { background: rgba(34, 197, 94, 0.25); }
.btn-download { background: rgba(168, 85, 247, 0.15); border-color: rgba(168, 85, 247, 0.3); color: #c084fc; }
.btn-download:hover { background: rgba(168, 85, 247, 0.25); }
.btn-clear { background: rgba(156, 163, 175, 0.1); border-color: rgba(156, 163, 175, 0.2); color: #9ca3af; }
.btn-clear:hover { background: rgba(156, 163, 175, 0.2); }

.code-output { margin: 0 16px 16px; }

.code-header-bar {
    padding: 10px 14px;
    background: rgba(0,0,0,0.15);
    border: 1px solid var(--border-color);
    border-bottom: none;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    font-size: 12px;
    color: var(--text-muted);
}
.code-header-bar i { color: var(--primary-color); margin-right: 6px; }

#outputArea {
    width: 100%;
    min-height: 200px;
    padding: 14px;
    background: rgba(0,0,0,0.1);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.5;
    outline: none;
    resize: vertical;
}

@media (max-width: 768px) {
    .tabs { flex-wrap: wrap; }
    .tab-btn { font-size: 12px; padding: 10px 8px; }
}

@media (max-width: 480px) {
    .main-content { padding: 10px; }
    .action-bar { justify-content: center; }
}